- Pesticide Residue Analysis and Safety
- Antibiotics Pharmacokinetics and Efficacy
- Pharmaceutical and Antibiotic Environmental Impacts
- Phytochemicals and Antioxidant Activities
- Pharmacological Effects and Assays
- Analytical chemistry methods development
- Environmental Toxicology and Ecotoxicology
- Toxic Organic Pollutants Impact
- Marine Toxins and Detection Methods
- Analytical Chemistry and Chromatography
- Bee Products Chemical Analysis
- Insect and Pesticide Research
- Effects and risks of endocrine disrupting chemicals
- Analytical Methods in Pharmaceuticals
- Identification and Quantification in Food
- Botanical Research and Applications
- Advanced Chemical Sensor Technologies
- Meat and Animal Product Quality
- Milk Quality and Mastitis in Dairy Cows
- Biochemical Analysis and Sensing Techniques
- Phytochemistry Medicinal Plant Applications
- Mass Spectrometry Techniques and Applications
- Advanced oxidation water treatment
- Essential Oils and Antimicrobial Activity
- Heavy Metals in Plants
Ministry of Agriculture, Livestock, and Food Supply
2016-2025
Universidade Federal de Santa Catarina
2024
Ministry of Food Agriculture and Livestock
2023
Ministério da Agricultura
2016-2018
Universidade Federal do Rio Grande do Sul
2009-2017
Massachusetts Department of Public Health
1991
Antibiotics are widely used in veterinary medicine mainly for treatment and prevention of diseases. The aminoglycosides one the antibiotics classes that have been extensively employed animal husbandry bacterial infections, but also as growth promotion. European Union has issued strict Maximum Residue Levels (MRLs) several origin products including bovine milk, bovine, swine poultry muscle. This paper describes a fast simple analytical method determination ten (spectinomycin, tobramycin,...
In residue analysis of veterinary drugs in foodstuff, matrix effects are one the most critical points. This work present a discuss considering approaches used to estimate, minimize and monitoring bioanalytical methods. Qualitative quantitative methods for estimation such as post-column infusion, slopes ratios analysis, calibration curves (mathematical statistical analysis) control chart discussed using real data. Matrix varying wide range depending analyte sample preparation method:...
A simple and inexpensive sample preparation method based on solvent extraction, followed by low temperature cleanup, was demonstrated to be applicable for the determination of avermectin milbemycin residues in bovine muscle liquid chromatography-tandem mass spectrometry (LC-MS/MS) chromatography with fluorescence (LC-FL) detection. The analytical methodology validated according Commission Decision 2002/657/EC, using LC-MS/MS confirmatory LC-FL quantitative purposes. Mean recovery between...
A reliable multiclass method has been developed and validated for the determination of eight antibiotics from distinct classes (sulfonamides, macrolides, fluoroquinolones, tetracyclines, cephalosporins dihydrofolate reductase inhibitors) in wastewater – influent effluent surface water Porto Alegre, Brazil. The pre-concentration clean-up was conducted with a simple fast protocol using solid-phase extraction allowing 100-fold concentration factor. proposed by spiked blank samples terms...